Is 1490 a prime number?
No, 1490 is not a prime number. It is divisible by 2: 1490 = 2 × 745.
Is 1490 prime?
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A prime number has exactly two factors: 1 and itself.
- 2
It is enough to test the primes up to √1490 ≈ 38.60. If none of them divides 1490, it is prime.
- 3
2 divides 1490 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1490 = 2 \times 5 \times 149 \]
Testing 1490 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1490 ÷ 2 | divides exactly (745) |
| 3 | 1490 ÷ 3 | leaves 2 |
| 5 | 1490 ÷ 5 | divides exactly (298) |
| 7 | 1490 ÷ 7 | leaves 6 |
| 11 | 1490 ÷ 11 | leaves 5 |
| 13 | 1490 ÷ 13 | leaves 8 |
| 17 | 1490 ÷ 17 | leaves 11 |
| 19 | 1490 ÷ 19 | leaves 8 |
| 23 | 1490 ÷ 23 | leaves 18 |
| 29 | 1490 ÷ 29 | leaves 11 |
| 31 | 1490 ÷ 31 | leaves 2 |
| 37 | 1490 ÷ 37 | leaves 10 |
Questions
Is 1490 a prime number?
No, 1490 is not a prime number. It is divisible by 2: 1490 = 2 × 745.
What is the next prime after 1490?
1493.
What is the prime number before 1490?
1489.
What are the factors of 1490?
1, 2, 5, 10, 149, 298, 745, 1490.